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Environmental fate & pathways

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MTDID 18990 was not degraded in an OECD 301F test, and exposed test vessels showed less dissolved oxygen utilization than blank controls. Similarly, the toxicity control showed a modest reduction on total oxygen utilization rate as compared to the positive control. However, based on the results of an OECD 209 little effect on activated sludge is expected. MTDID 18990 is not expected to biodegrade in aquatic systems.